The RPM-002 Looks somewhat similar in the top half but not the rest. Your S looks pretty smooshed. Yours: 002:
I'm also leaning towards circulation damage, or maybe a die chip (longshot bet) but I can't tell from the pics. @Lunchbox John posted a really nice pic, so look at yours under higher magnification to see if matches.
Higher magnification is what I'm lacking. Is there a "cheap" usb plug n play alternative that allows screenshots?
I'm old school and use a stereoscopic microscope that I got 35 years ago. I'm sure someone on here can provide the answer
Nothing replaces good optics........send it to me so I can photog it. Oh, blast, don't. I've enough on the plate dealing with the wife, the kids, and the family. Barely able to keep my head above water..........I feel for those folks in Texas and Louisiana tonight.